发明名称 |
Rim polyol blends containing acidic siloxane internal mold release agents and tin catalysts |
摘要 |
In an active hydrogen-containing B-side composition for reaction with a polyisocyanate-containing A-side composition to make a polyurethane or polyurethaneurea elastomer by reaction injection molding, the improvement which comprises a mold release composition consisting essentially of (1) the reaction product of a mixture of a carboxylic acid, a tertiary amine, and a reactive epoxide and (2) a carboxy functional siloxane.
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申请公布号 |
US5312845(A) |
申请公布日期 |
1994.05.17 |
申请号 |
US19920992404 |
申请日期 |
1992.12.16 |
申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
DEWHURST, JOHN E. |
分类号 |
C08G18/18;C08G18/38;C08G18/61;C08G18/65;C08L75/00;(IPC1-7):C08G18/00;C08K5/17;C08K5/36 |
主分类号 |
C08G18/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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